var momObj = function(){
    this.x;
    this.y;
    this.angle;

    this.momTailTimer = 0;
    this.momTailCount = 0;

    this.momEyeTimer = 0;
    this.momEyeCount = 0;
    this.momEyeInterval = 1000;

    this.bigEye = new Image();
    this.bigBody = new Image();

    this.momBodyCount = 0;

}
momObj.prototype.init = function(){
    this.x = canWidth * 0.5;
    this.y = canHeight * 0.5;
    this.angle = 0;    
}
momObj.prototype.draw = function(){

    this.x = lerpDistance(mx, this.x, 0.98);
    this.y = lerpDistance(my, this.y, 0.99);
    // delat angle
    var deltaY = my - this.y;
    var deltaX = mx -this.x;
    var beta = Math.atan2(deltaY, deltaX) + Math.PI;
    this.angle = lerpAngle(beta, this.angle, 0.5);

    this.momTailTimer += deltaTime;
    if(this.momTailTimer > 50)
    {
        this.momTailCount = (this.momTailCount + 1) % 8;
        this.momTailTimer %= 50;
    }

    this.momEyeTimer += deltaTime;
    if(this.momEyeTimer > this.momEyeInterval)
    {
        this.momEyeCount = (this.momEyeCount + 1) % 2;
        this.momEyeTimer %= this.momEyeInterval;
        if(this.momEyeCount == 0){
            this.momEyeInterval = Math.random() * 1500 +2000;;
        }else{
            this.momEyeInterval = 200;
        }
    }  

    ctx1.save();
    ctx1.translate(this.x, this.y);
    ctx1.rotate(this.angle);

    var momTailCount = this.momTailCount;
    ctx1.drawImage(momTail[momTailCount], -momTail[momTailCount].width * 0.5 + 30, -momTail[momTailCount].height * 0.5);

    var momBodyCount = this.momBodyCount;
	if(data.double == 1)//org
	{
		ctx1.drawImage(momBodyOrg[momBodyCount],-momBodyOrg[momBodyCount].width * 0.5,-momBodyOrg[momBodyCount].height * 0.5);		
	}
	else
	{
		ctx1.drawImage(momBodyBlue[momBodyCount],-momBodyBlue[momBodyCount].width * 0.5,-momBodyBlue[momBodyCount].height * 0.5);		
	}
    
    var momEyeCount = this.momEyeCount;
    ctx1.drawImage(momEye[momEyeCount], -momEye[momEyeCount].width * 0.5, -momEye[momEyeCount].height * 0.5);
    ctx1.restore();
}